Home / 1,265.16-1,883.49-1,259.04

Finding the Fourth Proportional to 1,265.16, 1,883.49 and 1,259.04

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Solution

The fourth proportional to 1,265.16, 1,883.49 and 1,259.04 is: 1,874.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265.16 : 1,883.49 = 1,259.04 : x
  2. Step 2: Convert to fraction form
    1,265.16/1,883.49 = 1,259.04/x
  3. Step 3: Cross multiply
    1,265.16x = 1,883.49 × 1,259.04
  4. Step 4: Simplify right side
    1,265.16x = 2,371,389.25
  5. Step 5: Solve for x
    x = 2,371,389.25/1,265.16
  6. Step 6: Final answer
    x = 1,874.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.